| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/28/17 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 02/28/17 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 02/28/17 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 02/21/17 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 02/21/17 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 02/21/17 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 02/21/17 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 02/21/17 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 02/21/17 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 02/21/17 | Statement of changes in beneficial ownership of securities |   | 1 |